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Junior React Developer Startup Jobs (NOW HIRING)

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React Engineer

Whippany, NJ · On-site

$150K - $175K/yr

  • Medical

  • Retirement

The React Engineer will develop and maintain strong front-end applications within the financial ... Provide technical guidance and mentorship to junior developers as needed. MPI does not discriminate ...

Scadea

Sr. React Engineer

Bethesda, MD

$139K - $173K/yr

Estimate or point your own work, and be able to sanity check estimations from more junior ... DevOps Pipeline/Processes (experience using not building), API, etc.

Mantx LLC

Junior Software Developer

Taylors, SC · On-site

$50K/yr

  • Medical

  • PTO

MANTX -- JUNIOR SOFTWARE DEVELOPER Mantx is a fast-growing software startup building a modern ... Vue, React, Angular, or similar) - Backend (Python) - SQL / relational databases - Google Cloud ...

Anagh Technologies, Inc.

Jr. Front End Developer- React

$106K - $123K/yr

Junior Front End Developer Location : Mountain View, CA- REMOTE Duration: Long-Term Contract Duties ... Strong experience in building applications using React, Redux and Redux-Sagas * Skilled in software ...

Clark

Junior Software Engineer

New York, NY · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Bonus Experience with TypeScript/React/Node or Python; any exposure to AI/LLM tooling; coursework ... The Environment 5 days a week on-site in NYC, no remote or hybrid; startup hours and pace; flat ...

WorkNovas LLC

React Native Developer

Bentonville, AR · On-site

React Native Developer Location: Bentonville, AR - Onsite -     We are looking for a Senior ... Review code, enforce best practices, and mentor junior developers. Integrate REST APIs, third-party ...

MANTECH

Junior Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... React, Docker, and Ansible. Responsibilities include but are not limited to: * Writing clean ...

MANTECH

Junior Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... React, Docker, and Ansible. Responsibilities include but are not limited to: * Writing clean ...

Careerswift

Frontend Developer (React)

San Francisco, CA · Remote

$106K - $123K/yr

We're looking for a junior frontend developer who loves building clean, functional web interfaces ... What you'll do -- Build and maintain UI components using React -- Implement designs into clean ...

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All JobsReact Developer Startup JobsJunior React Developer Startup Jobs

Junior React Developer Startup information

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$24K

$89K

$137.5K

How much do junior react developer startup jobs pay per year?

As of Aug 14, 2026, the average yearly pay for junior react developer startup in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

What is the difference between Junior React Developer Startup vs Junior Front-End Developer?

AspectJunior React Developer StartupJunior Front-End Developer
Required SkillsReact.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, basic frameworks
Work EnvironmentStartups, agile teams, fast-pacedVarious industries, corporate or agency settings
CertificationsBasic web development certifications, React coursesWeb development certifications, HTML/CSS courses
Industry UsageTech startups, SaaS companiesMedia, marketing, corporate firms

Junior React Developer Startup focuses specifically on React.js skills within startup environments, emphasizing JavaScript and modern frameworks. In contrast, Junior Front-End Developer is a broader role covering general front-end skills across various industries. Both roles require foundational web development knowledge, but the React Developer position is more specialized and often found in tech-driven startups.

What are some common challenges faced by junior React developers in a startup environment?

Junior React Developers in startups often encounter fast-paced work environments where priorities can shift quickly, requiring adaptability and a willingness to learn on the job. Collaboration is key, as you’ll likely work closely with designers, backend developers, and product managers to rapidly build and iterate on features. Limited resources and smaller teams mean you may take on a broader range of tasks than in larger companies, which can accelerate your learning but also present challenges in managing workloads. It's important to communicate proactively, seek feedback, and take initiative to overcome obstacles and grow your skills.

What are the key skills and qualifications needed to thrive as a junior React developer at a startup, and why are they important?

To thrive as a Junior React Developer at a startup, you need a solid understanding of JavaScript, React.js fundamentals, and basic web development concepts, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, package managers (npm/yarn), and basic knowledge of RESTful APIs are usually expected. Proactive communication, eagerness to learn, and adaptability help you stand out in the fast-paced and collaborative startup environment. These skills are crucial for contributing effectively to dynamic projects, rapidly acquiring new technologies, and supporting the team’s growth.

What does a junior React developer do at a startup?

A Junior React Developer at a startup is responsible for building and maintaining user interfaces using the React JavaScript library. They typically work closely with designers and other developers to implement features, fix bugs, and ensure the application's front-end is responsive and user-friendly. In a startup environment, they may also have opportunities to contribute ideas, learn new technologies, and take on additional responsibilities as the company grows.
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Cities with the most Junior React Developer Startup job openings:

What states have the most Junior React Developer Startup jobs?

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What job categories do people searching Junior React Developer Startup jobs look for?

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Junior React Developer Startup jobs near you
Infographic showing various Junior React Developer Startup job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

React Engineer

Page Group

Whippany, NJ • On-site

$150K - $175K/yr

Other

Medical, Retirement

Posted 20 days ago

Job description

The React Engineer will develop and maintain strong front-end applications within the financial services sector, contributing to the technology department's innovative solutions in New York City. This role focuses on delivering high-quality user interfaces and seamless experiences for clients. Client Details A company in the financial services industry located in New York City. Description Develop and maintain front-end applications using React.js. Collaborate with cross-functional teams to design and implement user interfaces. Optimize applications for performance and scalability. Ensure code quality through testing and best practices. Participate in code reviews and contribute to continuous improvement. Work closely with backend developers to integrate APIs and services. Stay updated with the latest trends and advancements in front-end technologies. Provide technical guidance and mentorship to junior developers as needed. MPI does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. MPI encourages applications from minorities, women, the disabled, protected veterans and all other qualified applicants. Profile A successful React Engineer should have: Hands-on experience with React.js and front-end development. Strong understanding of JavaScript, HTML, and CSS. Knowledge of modern front-end build pipelines and tools. Familiarity with RESTful APIs and integrating backend services. Ability to write clean, maintainable, and scalable code. Problem-solving skills and attention to detail. Strong communication and collaboration abilities. Job Offer Competitive annual salary between $150,000 and $175,000. Comprehensive benefits package, including health coverage. 401(k) match to support your long-term financial goals. Opportunities to work on cutting-edge technology projects. Interested? Apply today. MPI does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. MPI encourages applications from minorities, women, the disabled, protected veterans and all other qualified applicants.

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